Parsons, IFitz Gerald, JohnHeizler, Matthew T.Heizler, Lynn LIvanic, TimLee, Martin R2015-12-130010-7999http://hdl.handle.net/1885/72452Eight feldspar phases have been distinguished within individual alkali feldspar primocrysts in laminated syenite members of the layered syenite series of the Klokken intrusion. The processes leading to the formation of the first four phases have been descKeywords: alkali feldspar; diagenesis; exsolution; layered intrusion; perthite; replacement; syenite Alkali feldspar; Diagenesis; Exsolution; Klokken intrusion; Peristerite; Perthite; ReplacementEight-phase alkali feldspars: Low-temperature cryptoperthite, peristerite and multiple replacement reactions in the Klokken intrusion201310.1007/s00410-012-0842-52016-02-24